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Finding the Third Proportional to 18,449,928,268 and 27,553,991,634

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Solution

The third proportional to 18,449,928,268 and 27,553,991,634 is: 41,150,428,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449,928,268 : 27,553,991,634 = 27,553,991,634 : x
  2. Step 2: Convert to fraction form
    18,449,928,268/27,553,991,634 = 27,553,991,634/x
  3. Step 3: Cross multiply
    18,449,928,268x = 27,553,991,634 × 27,553,991,634
  4. Step 4: Simplify right side
    18,449,928,268x = 759,222,454,966,542,008,320
  5. Step 5: Solve for x
    x = 759,222,454,966,542,008,320/18,449,928,268
  6. Step 6: Final answer
    x = 41,150,428,551.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.